Which is not the characteristic of operating system?
A.resource management
B.transaction management
C.memory management
D.disk management
第1题:
Password is a secret series of(73) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(74). The password helps ensure that(75) users do not access the computer. In addition, data files and programs may require a password.
A.symbol
B.sign
C.characters
D.characteristic
第2题:
用man命令查看read命令的帮助文档时,可以使用如下哪个命令?
A.man read
B.man 1 read
C.man 2 read
D.man 4 read
第3题:
用man命令查看read命令的帮助文档时,可以使用如下哪个命令?
A.man read
B.man 1 read
C.man 3 read
D.man 4 read
第4题:
Password is a secret series of(69)that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(70). The password helps ensure that(71)users do not access the computer. In addition, data files and programs may require a password.
A.symbol
B.sign
C.characters
D.characteristic
第5题:
用man命令查看read命令的帮助文档时,可以使用如下哪个命令?
A.man read
B.man 1 read
C.man 3 read
D.man 4 read
第6题:
20、用man命令查看read命令的帮助文档时,可以使用如下哪个命令?
A.man read
B.man 1 read
C.man 2 read
D.man 4 read